Vulnerability-Lookup

CVE-2026-95811 (GCVE-0-2026-95811)

Vulnerability from cvelistv5 – Published: 2026-09-25 01:31 – Updated: 2026-09-26 15:07

Title

Summary

Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it. The handler matches each vhost's locationRules regular expressions against REQUEST_URI, the raw request line, while the web server routes on the path it has already percent-decoded and normalized. A request that percent-encodes a character of the path, inserts dot segments, or doubles a slash therefore reaches the protected resource under a URI that no rule regexp matches, and the vhost's default rule decides access. Deny rules, identity and group conditions, and unprotect and skip rules are bypassed alike. Only a vhost whose default rule is more permissive than its other rules is affected. An authenticated user then reaches any URL a locationRules regexp was meant to restrict, but gains no more than that default rule already grants.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-25 13:53 UTC

CWE

CWE-863 - Incorrect Authorization
CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize

Assigner

CPANSec CNA under the redhat root

CNA scorecard C 63/100 over 288 records in the last 180 days details

References

7 references

URL	Tags
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/…	issue-tracking
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/…	release-notes
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/…	release-notes
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/…	release-notes
https://www.cve.org/CVERecord?id=CVE-2020-24660	related
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/…	exploit
https://lists.debian.org/debian-lts-announce/2026…

Impacted products

1 product

Vendor	Product	Version	CPE status
		Affected: 2.0.0 , < 2.16.10 (custom) Affected: 2.17.0 , < 2.21.6 (custom) Affected: 2.22.0 , < 2.23.4 (custom)

Credits

Deepseek agent, Linagora

Show details on NVD website

JSON

To clipboard

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        }
      },
      "cveMetadata": {
        "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "assignerShortName": "CPANSec",
        "cveId": "CVE-2026-95811",
        "datePublished": "2026-09-25T01:31:22.472Z",
        "dateReserved": "2026-09-22T15:43:06.362Z",
        "dateUpdated": "2026-09-26T15:07:03.342Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

FKIE_CVE-2026-95811

Vulnerability from fkie_nvd - Published: 2026-09-25 02:16 - Updated: 2026-09-26 16:16

Severity

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Summary

References

	URL	Tags
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3723
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.16.10
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.21.6
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.23.4
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://www.cve.org/CVERecord?id=CVE-2020-24660
	af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2026/09/msg00032.html
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3723

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "modules": [
            "Lemonldap::NG::Handler"
          ],
          "packageName": "Lemonldap-NG-Handler",
          "packageURL": "pkg:cpan/Lemonldap-NG-Handler",
          "programFiles": [
            "lib/Lemonldap/NG/Handler/Main/Run.pm"
          ],
          "programRoutines": [
            {
              "name": "Lemonldap::NG::Handler::Main::Run::run"
            },
            {
              "name": "Lemonldap::NG::Handler::Main::Run::grant"
            },
            {
              "name": "Lemonldap::NG::Handler::Main::Run::getLevel"
            },
            {
              "name": "Lemonldap::NG::Handler::Main::Run::isUnprotected"
            }
          ],
          "repo": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng",
          "versions": [
            {
              "lessThan": "2.16.10",
              "status": "affected",
              "version": "2.0.0",
              "versionType": "custom"
            },
            {
              "lessThan": "2.21.6",
              "status": "affected",
              "version": "2.17.0",
              "versionType": "custom"
            },
            {
              "lessThan": "2.23.4",
              "status": "affected",
              "version": "2.22.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it.\n\nThe handler matches each vhost\u0027s locationRules regular expressions against REQUEST_URI, the raw request line, while the web server routes on the path it has already percent-decoded and normalized. A request that percent-encodes a character of the path, inserts dot segments, or doubles a slash therefore reaches the protected resource under a URI that no rule regexp matches, and the vhost\u0027s default rule decides access. Deny rules, identity and group conditions, and unprotect and skip rules are bypassed alike.\n\nOnly a vhost whose default rule is more permissive than its other rules is affected. An authenticated user then reaches any URL a locationRules regexp was meant to restrict, but gains no more than that default rule already grants."
    }
  ],
  "id": "CVE-2026-95811",
  "lastModified": "2026-09-26T16:16:39.087",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-95811",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-25T13:53:01.823535Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-25T02:16:54.677",
  "references": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3723"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.16.10"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.21.6"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.23.4"
    },
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-24660"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2026/09/msg00032.html"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3723"
    }
  ],
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-180"
        },
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary"
    }
  ]
}

GHSA-3RH3-F3VH-MGJH

Vulnerability from github – Published: 2026-09-25 03:31 – Updated: 2026-09-26 18:31

Details

The handler matches each vhost's locationRules regular expressions against REQUEST_URI, the raw request line, while the web server routes on the path it has already percent-decoded and normalized. A request that percent-encodes a character of the path, inserts dot segments, or doubles a slash therefore reaches the protected resource under a URI that no rule regexp matches, and the vhost's default rule decides access. Deny rules, identity and group conditions, and unprotect and skip rules are bypassed alike.

Only a vhost whose default rule is more permissive than its other rules is affected. An authenticated user then reaches any URL a locationRules regexp was meant to restrict, but gains no more than that default rule already grants.

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-95811"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-180"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-25T02:16:54Z",
    "severity": "MODERATE"
  },
  "details": "Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it.\n\nThe handler matches each vhost\u0027s locationRules regular expressions against REQUEST_URI, the raw request line, while the web server routes on the path it has already percent-decoded and normalized. A request that percent-encodes a character of the path, inserts dot segments, or doubles a slash therefore reaches the protected resource under a URI that no rule regexp matches, and the vhost\u0027s default rule decides access. Deny rules, identity and group conditions, and unprotect and skip rules are bypassed alike.\n\nOnly a vhost whose default rule is more permissive than its other rules is affected. An authenticated user then reaches any URL a locationRules regexp was meant to restrict, but gains no more than that default rule already grants.",
  "id": "GHSA-3rh3-f3vh-mgjh",
  "modified": "2026-09-26T18:31:01Z",
  "published": "2026-09-25T03:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-95811"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3723"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.16.10"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.21.6"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/releases/v2.23.4"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3723"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2026/09/msg00032.html"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-24660"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

UBUNTU-CVE-2026-95811 (CVE-2026-95811)

Vulnerability from osv_ubuntu – Published: 2026-09-25 02:16 – Updated: 2026-10-17 09:58 – Source website

Details

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-95811	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-95811	REPORT
	https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-conf-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "1.4.6-3"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "1.4.6-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@1.4.6-3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.3-1",
        "1.4.6-1",
        "1.4.6-2",
        "1.4.6-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "1.9.16-2"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "1.9.16-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@1.9.16-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.10-1",
        "1.9.13-2",
        "1.9.14-1",
        "1.9.15-1",
        "1.9.16-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "lemonldap-ng-uwsgi-app",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "2.0.7+ds-2"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "2.0.7+ds-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@2.0.7+ds-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.5+ds-2",
        "2.0.6+ds-2",
        "2.0.7+ds-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "2.0.13+ds-3ubuntu1"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "2.0.13+ds-3ubuntu1"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "2.0.13+ds-3ubuntu1"
          },
          {
            "binary_name": "lemonldap-ng-uwsgi-app",
            "binary_version": "2.0.13+ds-3ubuntu1"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "2.0.13+ds-3ubuntu1"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "2.0.13+ds-3ubuntu1"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "2.0.13+ds-3ubuntu1"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "2.0.13+ds-3ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@2.0.13+ds-3ubuntu1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.11+ds-4",
        "2.0.13+ds-3",
        "2.0.13+ds-3ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-uwsgi-app",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "2.18.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-ssoaas-apache-client-perl",
            "binary_version": "2.18.2+ds-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@2.18.2+ds-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.16.2+ds-1",
        "2.17.1+ds-1",
        "2.17.2+ds-1",
        "2.17.2+ds-2",
        "2.18.1+ds-1",
        "2.18.2+ds-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-uwsgi-app",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "2.23.3+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-ssoaas-apache-client-perl",
            "binary_version": "2.23.3+ds-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@2.23.3+ds-1?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.22.2+ds-1",
        "2.22.3+ds-1",
        "2.23.0+ds-3",
        "2.23.0+ds-4",
        "2.23.2+ds-1",
        "2.23.2+ds-2",
        "2.23.3+ds-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "lemonldap-ng",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-fastcgi-server",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-handler",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "lemonldap-ng-uwsgi-app",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-common-perl",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-handler-perl",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-manager-perl",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-portal-perl",
            "binary_version": "2.22.2+ds-1"
          },
          {
            "binary_name": "liblemonldap-ng-ssoaas-apache-client-perl",
            "binary_version": "2.22.2+ds-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "lemonldap-ng",
        "purl": "pkg:deb/ubuntu/lemonldap-ng@2.22.2+ds-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.21.0+ds-3",
        "2.22.0+ds-2",
        "2.22.1+ds-1",
        "2.22.2+ds-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Lemonldap::NG::Handler versions from 2.0.0 before 2.16.10, from 2.17.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow an equivalent spelling of a path to bypass the locationRules that restrict it. The handler matches each vhost\u0027s locationRules regular expressions against REQUEST_URI, the raw request line, while the web server routes on the path it has already percent-decoded and normalized. A request that percent-encodes a character of the path, inserts dot segments, or doubles a slash therefore reaches the protected resource under a URI that no rule regexp matches, and the vhost\u0027s default rule decides access. Deny rules, identity and group conditions, and unprotect and skip rules are bypassed alike. Only a vhost whose default rule is more permissive than its other rules is affected. An authenticated user then reaches any URL a locationRules regexp was meant to restrict, but gains no more than that default rule already grants.",
  "id": "UBUNTU-CVE-2026-95811",
  "modified": "2026-10-17T09:58:14Z",
  "published": "2026-09-25T02:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-95811"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-95811"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/work_items/3723"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-95811"
  ]
}

Sightings

Author	Source	Type	Date	Other

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Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
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Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-95811 (GCVE-0-2026-95811)

FKIE_CVE-2026-95811

GHSA-3RH3-F3VH-MGJH

UBUNTU-CVE-2026-95811 (CVE-2026-95811)

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Related by attack behaviour